2015541800

素因数分解:

$2^3\times 5^2\times {\mathrm{3121}}^1\times {\mathrm{3229}}^1$

素因数の和:6366

約数の個数: 48

約数和(自身を含む): 4689087900

約数和(自身を除く): 2673546100

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 3121, 3229, 6242, 6458, 12484, 12916, 15605, 16145, 24968, 25832, 31210, 32290, 62420, 64580, 78025, 80725, 124840, 129160, 156050, 161450, 312100, 322900, 624200, 645800, 10077709, 20155418, 40310836, 50388545, 80621672, 100777090, 201554180, 251942725, 403108360, 503885450, 1007770900, 2015541800]

約数ペア:

[(1, 2015541800), (2, 1007770900), (4, 503885450), (5, 403108360), (8, 251942725), (10, 201554180), (20, 100777090), (25, 80621672), (40, 50388545), (50, 40310836), (100, 20155418), (200, 10077709), (3121, 645800), (3229, 624200), (6242, 322900), (6458, 312100), (12484, 161450), (12916, 156050), (15605, 129160), (16145, 124840), (24968, 80725), (25832, 78025), (31210, 64580), (32290, 62420)]